: ( 58bm)
Black defends in the left centre.

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White's hane at the upper edge takes profit outside the Main Semeai area.

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Black protects his upper left corner.

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White's push at the left edge destroys two points of Black's territory, without losing any tempo in the Main Semeai.

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The Main Semeai continues.

Black plays 2/2 reductions.

Before the end of the game, Black will have to defend at .

Capture Variation:

Compared to the superordinate variation, ...

• White's cumulated gain at the upper edge is two points.
• Black got an additional point of territory in the right centre.
• White did not capture Black's stone in the lower right, so losing two points.

In total, Black gained one point.

White + 2 => White + 1

Semeai Variation:

Compared to the superordinate variation, ...

• White's cumulated gain at the upper edge is two points.
• Black got an additional point of territory in the right centre.
• Black captured one White stone less in the left centre, so losing two points.
• White captured one Black stone more in the lower left, so gaining two points.

In total, Black lost five points.

Black + 8 => Black + 3